Rectangular-headed universal wrench



FIG. 1 is a perspective view of a rectangular-headed universal wrench, excluding an array of holes in the handle.

FIG. 2 is a top plan view of the wrench shown in FIG. 1; and,

FIG. 3 is a bottom plan view of the wrench shown in FIG. 1.

The broken lines depict portions of the rectangular-headed universal wrench that form no part of the claimed design. 

CLAIM The ornamental design for a rectangular-headed universal wrench, as shown and described. 